2442539538 has 96 divisors (see below), whose sum is σ = 5621391360. Its totient is φ = 765404640.

The previous prime is 2442539537. The next prime is 2442539551. The reversal of 2442539538 is 8359352442.

2442539538 is a `hidden beast` number, since 24 + 42 + 53 + 9 + 538 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2442539493 and 2442539502.

It is not an unprimeable number, because it can be changed into a prime (2442539537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2953081 + ... + 2953907.

It is an arithmetic number, because the mean of its divisors is an integer number (58556160).

Almost surely, 2^2442539538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2442539538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810695680).

2442539538 is an abundant number, since it is smaller than the sum of its proper divisors (3178851822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2442539538 is a wasteful number, since it uses less digits than its factorization.

2442539538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1009 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 2442539538 is about 49422.0551778252. The cubic root of 2442539538 is about 1346.7299984784.

The spelling of 2442539538 in words is "two billion, four hundred forty-two million, five hundred thirty-nine thousand, five hundred thirty-eight".